Varuna controls & components offers single row high barrier terminal hbt 10 applicable for 15 a at 300 v current rating, terminal blocks and connecters. These single row high barrier terminals go through high voltage test at 2 kv for 1 minute and 100 m insulation resistance. These high terminals are constructed of high grade engineering plastics, tin plated brass contacts, brass nickel plated screws and washers and nickel plated ms philips head.